org.springframework.mock.jndi.ExpectedLookupTemplate Maven / Gradle / Ivy
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/*
* Copyright 2002-2012 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.mock.jndi;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import javax.naming.NamingException;
import org.springframework.jndi.JndiTemplate;
/**
* Simple extension of the JndiTemplate class that always returns a given object.
*
* Very useful for testing. Effectively a mock object.
*
* @author Rod Johnson
* @author Juergen Hoeller
*/
public class ExpectedLookupTemplate extends JndiTemplate {
private final Map jndiObjects = new ConcurrentHashMap(16);
/**
* Construct a new JndiTemplate that will always return given objects for
* given names. To be populated through {@code addObject} calls.
* @see #addObject(String, Object)
*/
public ExpectedLookupTemplate() {
}
/**
* Construct a new JndiTemplate that will always return the given object,
* but honour only requests for the given name.
* @param name the name the client is expected to look up
* @param object the object that will be returned
*/
public ExpectedLookupTemplate(String name, Object object) {
addObject(name, object);
}
/**
* Add the given object to the list of JNDI objects that this template will expose.
* @param name the name the client is expected to look up
* @param object the object that will be returned
*/
public void addObject(String name, Object object) {
this.jndiObjects.put(name, object);
}
/**
* If the name is the expected name specified in the constructor, return the
* object provided in the constructor. If the name is unexpected, a
* respective NamingException gets thrown.
*/
public Object lookup(String name) throws NamingException {
Object object = this.jndiObjects.get(name);
if (object == null) {
throw new NamingException("Unexpected JNDI name '" + name + "': expecting " + this.jndiObjects.keySet());
}
return object;
}
}